—— TEAM NPG

Local Anaesthetics are agents which cause reversible loss of SENSATION Depression in

excitation of CONDUCTING NERVES

suppression of excitation of conducting nerves


                       CLASSIFICATION

  1. CHEMICAL STRUCTURE
  2. DURATION OF ACTION

CHEMICAL STRUCTURE→

  1. AMIDES: Ropivacaine, Bupivacaine——(BUPI-ROPI) -VACAINE
  1. ESTERS
      • Benzoic acid— Butacaine,cocaine—-(COCA-BUTA) caine
      • para-aminoBENZOIC ACID —–Chloroprocaine

procaine


DURATION OF ACTION

    • LOW POTENCY AND SHORT DURATION—-(BOTH LOW)—Chloroprocaine

                             procaine

    • INTERMEDIATE POTENCY AND DURATION—(BOTH INTERMEDIATE)—PRILOCAINE & LIGNOCAINE— (PRILIGNOCAINE)
    • HIGH POTENCY AND LONG DURATION—–(BOTH HIGH)——-BUPIVACAINE & ROPIVACAINE   (BUPI- ROPI)

SURFACE ANAESTHETIC

    1. SOLUBLE–Lignocaine,Tetracaine—-LIGNO TE SOLUBLE
    1. INSOLUBLE–Benzocaine & Butyl aminobenzoate–

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